coverity recommended changes

dependency-check-ant/src/main/java/org/owasp/dependencycheck/ant/logging/AntLoggerAdapter.java

@@ -38,7 +38,7 @@ public class AntLoggerAdapter extends MarkerIgnoringBase {
     /**
      * A reference to the Ant task used for logging.
      */
-    private Task task;
+    private transient Task task;
 
     /**
      * Constructs an Ant Logger Adapter.

dependency-check-core/src/main/java/org/owasp/dependencycheck/data/nvdcve/CveDB.java

@@ -259,7 +259,7 @@ public class CveDB {
      *
      * @return the properties from the database
      */
-    Properties getProperties() {
+    synchronized Properties getProperties() {
         final Properties prop = new Properties();
         PreparedStatement ps = null;
         ResultSet rs = null;
@@ -285,7 +285,7 @@ public class CveDB {
      * @param key the property key
      * @param value the property value
      */
-    void saveProperty(String key, String value) {
+    synchronized void saveProperty(String key, String value) {
         try {
             try {
                 final PreparedStatement mergeProperty = getConnection().prepareStatement(statementBundle.getString("MERGE_PROPERTY"));

dependency-check-utils/src/main/java/org/owasp/dependencycheck/utils/Settings.java

@@ -423,7 +423,7 @@ public final class Settings {
      * @param deleteTemporary flag indicating whether any temporary directories
      * generated should be removed
      */
-    public static void cleanup(boolean deleteTemporary) {
+    public static synchronized void cleanup(boolean deleteTemporary) {
         if (deleteTemporary && tempDirectory != null && tempDirectory.exists()) {
             FileUtils.delete(tempDirectory);
             tempDirectory = null;